Run the homebrew launcher and launch the installer, select the firmware of the target console and follow the instructions.

Then launch the game on the target console and try to rename your secret team name, the hax will be triggered and the in-game menu will appear.

To launch the homebrew launcher, just select the 1st option.

Switch between O3DS and N3DS

You can now switch between O3DS and N3DS without having to reinstall the exploit each time.
/!\This will not update the *hax payload/!\
It automatically detects if you are using on O3DS or N3DS.

Update the *hax payload

You can update the *hax payload with the in-game menu. This will ONLY update the *hax payload.
Before triggering the exploit, make sure you are connected to the internet through the PSS.
Then launch the in-game menu and select the 2nd option. Choose the target firmware and press A.